25253240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 59261760

約数和(自身を除く): 34008520

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 113, 148, 151, 185, 226, 296, 302, 370, 452, 565, 604, 740, 755, 904, 1130, 1208, 1480, 1510, 2260, 3020, 4181, 4520, 5587, 6040, 8362, 11174, 16724, 17063, 20905, 22348, 27935, 33448, 34126, 41810, 44696, 55870, 68252, 83620, 85315, 111740, 136504, 167240, 170630, 223480, 341260, 631331, 682520, 1262662, 2525324, 3156655, 5050648, 6313310, 12626620, 25253240]

約数ペア:

[(1, 25253240), (2, 12626620), (4, 6313310), (5, 5050648), (8, 3156655), (10, 2525324), (20, 1262662), (37, 682520), (40, 631331), (74, 341260), (113, 223480), (148, 170630), (151, 167240), (185, 136504), (226, 111740), (296, 85315), (302, 83620), (370, 68252), (452, 55870), (565, 44696), (604, 41810), (740, 34126), (755, 33448), (904, 27935), (1130, 22348), (1208, 20905), (1480, 17063), (1510, 16724), (2260, 11174), (3020, 8362), (4181, 6040), (4520, 5587)]